package com.atguigu.classes;

/**
 * @program: IDEAcode
 * @description:替换
 * @author: Mr.zjx
 * create: 2021-07-22-15-04
 **/
public class Test02 {
    public static void main(String[] args) {
        String str = "how do you do";
        str = str.replace("do", "DO");
        System.out.println(str);
    }
}
